Home / 13,552.31-20,336.67-5,761.13

Finding the Fourth Proportional to 13,552.31, 20,336.67 and 5,761.13

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Solution

The fourth proportional to 13,552.31, 20,336.67 and 5,761.13 is: 8,645.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.31 : 20,336.67 = 5,761.13 : x
  2. Step 2: Convert to fraction form
    13,552.31/20,336.67 = 5,761.13/x
  3. Step 3: Cross multiply
    13,552.31x = 20,336.67 × 5,761.13
  4. Step 4: Simplify right side
    13,552.31x = 117,162,097.95
  5. Step 5: Solve for x
    x = 117,162,097.95/13,552.31
  6. Step 6: Final answer
    x = 8,645.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.